METHOD FOR DETECTING A CRITICAL CONCENTRATION OF HYDROGEN
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United States of America Patent
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Aug 13, 2015
app pub date -
Aug 16, 2013
filing date -
Sep 25, 2012
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Abstract
A method for detecting a critical concentration of hydrogen in the exhaust gas of a fuel cell system (1), in which exhaust gas from an anode chamber (4) of a fuel cell (3) is post-combusted by means of a burner (17). The temperature of the combustion exhaust gases is detected, the temperature being compared to a predetermined limit value. In the comparison, a critical concentration of hydrogen is assumed if the temperature of the combustion exhaust gases is above the limit value.
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